Reactions of Alkanes & Cycloalkanes

Question 1

REACTIONS OF ALKANES

3 types

Answer 1

1. Combustion
2. Halogenation
3. Monohalogenation

Question 2

ALKANES - COMBUSTION

• reaction with ____
• 2 types

+ recite their formula

Answer 2

• oxygen

1. Complete Combustion
2. Incomplete Combustion

Question 3

ALKANES - HALOGENATION

• involves _____
• requires _____
• thus, what symbol is needed in reaction process?
• 3 steps
• general formula

Answer 3

• involves free radical substitution mechanism
• requires exposure to light / high temp
• hv or △

1. Chain Initiation Step (draw this)
2. Chain Propagation Step (draw this)
3. Chain termination

• draw general formula

Question 4

ALKANES - MONOHALOGENATION

• yields?
• # of products depend on?

Answer 4

• yields a mixture of isomeric alkyl halide products
• # of sets of equivalent hydrogen atoms

Question 5

Criteria for equivalent hydrogen atoms (2)

Answer 5

1. bonded to the same carbon
2. symmetry counterparts